[1] It consists of a sudden switch into a new offensive formation immediately before the ball is snapped with the intent of keeping the defense off balance and disguising the intended point of attack.
[2][3][4] University of Minnesota Golden Gophers coach Dr. Henry L. Williams is credited with its invention in the first decade of the 20th century, and his institution lends its name to the shift.
[2] Williams, an 1891 graduate of Yale, had earlier repeatedly offered to mentor his alma mater in the formation, but was rebuffed because the Elis would "not [take] football lessons from a Western university.
"[5] In 1910, the Elis suffered early season setbacks at the hands of inferior opponents, and sought an advantage to use in its game against strong Princeton and Harvard squads.
[8] In 1921, Ohio State employed a maneuver it called "guards over" that "checked the touted Minnesota shift more completely than any other Conference team has ever done," which forced the Gophers to resort unsuccessfully to the forward pass.